CN101797793B - Plastic filtering device - Google Patents
Plastic filtering device Download PDFInfo
- Publication number
- CN101797793B CN101797793B CN2009100088774A CN200910008877A CN101797793B CN 101797793 B CN101797793 B CN 101797793B CN 2009100088774 A CN2009100088774 A CN 2009100088774A CN 200910008877 A CN200910008877 A CN 200910008877A CN 101797793 B CN101797793 B CN 101797793B
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- CN
- China
- Prior art keywords
- filtering device
- housing
- plastic filtering
- filter member
- hopper road
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
- B29C48/6914—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a rotatable or pivotable disc or on the circumference of a rotatable or pivotable cylinder
- B29C48/6916—Continuously rotating cylindrical filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/45—Axially movable screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a plastic filtering device, which comprises a shell, a filtering part and a guide part, wherein the shell has a chamber, a feeding channel, a discharge channel and a clearing channel; the feeding channel, the discharge channel and the clearing channel are communicated with the chamber and the outside respectively; the filtering part is accommodated in the chamber of the shell and is driven by an external force to rotate in the chamber; an accommodating chamber is formed in the middle of the filtering part and the surface is provided with a plurality of through holes which are communicated with the accommodating chamber; the guide part is fixed on the shell and accommodated in the accommodating chamber of the filtering part; a feeding duct is arranged at a position corresponding to the feeding channel of the shell; a discharge duct is arranged at a position corresponding to the discharge channel of the shell; and a clearing duct is arranged at a position corresponding to the clearing channel of the shell. The plastic filtering device has the advantages that the filtering part can be backwashed to keep filtration pores unblocked and the exchange operation is quick and convenient.
Description
Technical field
The present invention is relevant with plastic processing machinery, is meant a kind of plastic filtering device of plastics melting charge especially, and this device has the function of automatic back washing filter screen, can supply the continous way production operation to use.
Background technology
The plastics material possibly contain impurity in processing procedure, can remove with strainer filtering.Existing mode is to establish the plastics material that a filter screen is used for filtering molten in the exit position of plastics extruder.Filter screen is the meeting obstruction after use a period of time, must remove filter screen or renewal, and convention is mechanically to change filter screen automatically, and filter screen or replacing filter screen are cleaned in manual work again.When if the impurity content of plastics material is high, for example during the plastic reclaimed material of production recycling, often repeated cleaning is upgraded can the hinder one's work smoothness of flow process of filter screen.
Summary of the invention
To the problems referred to above, main purpose of the present invention is to provide a kind of plastic filtering device, and it has the function of automatic back washing filter screen, can supply continuous production operation to use.
For achieving the above object, a kind of plastic filtering device provided by the present invention is characterized in that comprising: a housing, have a chamber, and a charging conduit, a discharging conduit and a clear hopper road, respectively with chamber and extraneous the connection; One filter member is contained in the said housing cavity, driven by external force and in said chamber, rotates, and has a room in the middle of the said filter member, and the surface is provided with most the perforation that are communicated with said room; One guide member; Be fixed on the said housing and be contained in the room of said filter member; The charging conduit position of corresponding said housing is provided with a charging and leads the way, and the discharging conduit position of corresponding said housing is provided with a discharging and leads the way, and the position, clear hopper road of corresponding said housing is provided with a clear material and leads the way.
In the technical scheme of the invention described above, the clear hopper road of said housing is provided with a by-pass valve control, and is controlled and open or close hopper road clearly automatically.
Be provided with one in the said clear hopper road and strike off part, be used to strike off the plastics on said filter member surface.
The said part that strikes off is driven by external force and forms with said filter member to relatively move.
The clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, driven by external force and rotates.
The clear hopper road of said housing is microscler, and the said part that strikes off is microscler, be contained in the said clear hopper road, but driven by external force and major axis to repeated moving.
The clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, and driven by external force and rotate, and can be along major axis to repeated moving.
The clear hopper road of said housing has a residue-removing opening, and the said part that strikes off part can block said residue-removing opening, forms said by-pass valve control.
The said part that strikes off is screw shaped.
Said filter member comprises pipe fitting in, and its pipe shaft is provided with most perforation; At least one filter screen, the pipe fitting outside in said is coated and fixed.
The pipe shaft of said filter member is provided with at least one groove.
The filter screen of said filter member presses locking in said groove, to locate with the press strip embedding.
Said housing is provided with the heating member insulation.
In the discharging of said guide member is led the way, be provided with one and driven and the screw rod that rotates by external force, the molten plastic in the said guide member is led the way by said discharging derives outside the said housing through said discharging runner.
The present invention also provides another technical scheme: a kind of plastic filtering device is characterized in that comprising: a housing, have a chamber, and a charging conduit, a discharging conduit and a clear hopper road, respectively with said chamber and extraneous the connection; One filter member is contained in the said housing cavity, driven by external force and in said chamber, rotates, and has a room in the middle of the said filter member, and the surface is provided with most perforation and is communicated with said room; One screw rod is located in the room of said filter member, driven by external force and in said filter member, rotates, and will filter and flow into the molten plastic in the room in the middle of the said filter member through said filter member by said charging conduit, derives through said discharging conduit.
The present invention also provides the third technical scheme: a kind of plastic filtering device is characterized in that comprising: a housing, have a chamber, and a charging conduit, a discharging conduit and a clear hopper road, respectively with said chamber and extraneous the connection; One filter member is contained in the said housing cavity, driven by external force and in said chamber, rotates, and has a room in the middle of the said filter member, and the surface is provided with most perforation and is communicated with said room; One by-pass valve control is located at the clear hopper road of said housing, and is controlled and open or close said clear hopper road automatically.
Adopt technique scheme, the present invention makes the plastics material of fusion get into housing by the charging conduit, filters and flows in the room of filter member through filter member; And via the outflow of discharging conduit, the molten plastic in the filter member room because of inside and outside pressure reduction, can flow to hopper road clearly in position, correspondence clear hopper road by process filter member in the room; Thus filter member being carried out back washing keeps clear its filter opening; And the present invention changes the very fast convenience of operation, can supply continuous production operation to use.
Description of drawings
Fig. 1 is the vertical view of first embodiment of the invention;
Fig. 2 is the front view of first embodiment of the invention;
Fig. 3 is the cutaway view along 3-3 hatching line among Fig. 2;
Fig. 4 is the cutaway view Amplified image along 4-4 hatching line among Fig. 1;
Fig. 5 is the zoomed-in view of Fig. 3 middle shell;
Fig. 6 is the cutaway view along 6-6 hatching line among Fig. 5;
Fig. 7 is the outside drawing of filter member among Fig. 3;
Fig. 8 is the cutaway view along 8-8 hatching line among Fig. 7;
Fig. 9 is the cutaway view along 9-9 hatching line among Fig. 7;
Figure 10 is the zoomed-in view that strikes off the part position among Fig. 3;
Figure 11 is the operation chart of first embodiment of the invention;
Figure 12 generally is same as Fig. 4, shows the action of the clear material of filter member groove;
Figure 13 is the structural representation of second embodiment of the invention;
Figure 14 is the structural representation of third embodiment of the invention;
Figure 15 is the structural representation of fourth embodiment of the invention;
Figure 16 is another variant of the drive unit of fourth embodiment of the invention;
Figure 17 is the sketch map that filter series connection of the present invention is used.
The specific embodiment
Lift following examples at present and combine accompanying drawing that structure of the present invention and effect are elaborated.
To shown in Figure 11, the filter 10 that first embodiment of the invention provided includes like Fig. 1:
One housing 20, to shown in Figure 6, it has a chamber 21 like Fig. 3, and a charging conduit 22, a discharging conduit 23 and a clear hopper road 24, is communicated with the chamber 21 and the external world respectively.Like Fig. 5, shown in Figure 6, chamber 21 is cylindrical, and charging conduit 22 forms the opening 222 of a prolate bucket shape at the charging aperture 221 of lateral wall formation one circle of housing 20 at madial wall.Clear hopper road 24 is elongated cylindrical, and is communicated with through an elongate gap 241 with chamber 21, and housing 20 forms a residue-removing opening 242 at an end in clear hopper road 24, forms one at the other end and articulates perforation 243.Also be provided with the containing hole 25 of a plurality of electric heater (not shown) on the housing 20.
One filter member 30 like Fig. 3, Fig. 4, Fig. 7, Fig. 8, shown in Figure 9, is contained in housing 20 chambers 21, driven by external force and chamber 21 in, rotates, and has a room 31 in the middle of the filter member 30, and the surface is provided with most and bores a hole and 32 be communicated with room 31.To shown in Figure 9, filter member 30 includes like Fig. 7: the interior pipe fitting 33 of a drum shape, room 31 are positioned in the middle of the pipe fitting 33, and perforation 32 is located on interior pipe fitting 33 tube walls.At least one filter screen 34 also can be selected two or three even the filter screen of multi-disc more for use, six filter screens for example, and on the pipe shaft of pipe fitting 33, cover overlays on outside the perforation 32, forms trickleer filter mesh in being fixed on.Present embodiment presses locking to fix on the preset groove 331 of interior pipe fitting 33 pipe shafts with six press strips 35, with this locking location is pressed in filter screen 34 embeddings.
One guide member 40; Like Fig. 3, shown in Figure 4; Be fixed on the housing 20 and be contained in the room 31 of filter member 30; The position of the charging conduit 22 of corresponding housing 20 is provided with a charging and leads the way 41, and 24 positions, clear hopper road of corresponding housing 20 are provided with a clear material and lead the way 42, and discharging conduit 23 positions of corresponding housing 20 are provided with a discharging and lead the way 43.Three lead the way 41,42,43 at guide member 40 intermediate connections.Charging is led the way and 41 is the prolate bucket shape, and its shape is corresponding with charging conduit 22 medial extremitys quite.Clear material is led the way and 42 is long and narrow bucket shape, and its vertical section is as shown in Figure 4, is elongated shape, perforation 32 sizes of pipe fitting 33 pipe shafts in its big or small corresponding filter member 30, the amount of the molten plastic of purpose in limitation flow to hopper road 24 clearly.
One strikes off part 50, is located at clearly in the hopper road 24, in order to strike off the plastics on filter member 30 surfaces.Shown in figure 10, striking off part 50 is spiral rod members, and one of which end 51 can block the residue-removing opening 242 in hopper road 24 clearly; Form a by-pass valve control 55, its other end 52 passes from articulating perforation 243, and a locating ring 53 is established in shaft exposed junction stage casing; Between locating ring 53 and housing 20, establish a spring 54, make valve 55 keep often opening (shown in figure 11), the other end 52 is located in a driving member 61 of a drive unit 60; Driving member 61 is installed in the support body 63 through two bearings 62, and driving member 61 has the axis hole 611 of a hollow, and a gear part 612; With with 64 engagements of another gear, and receive its transmission and rotate, the other end 52 is contained in the axis hole 611 of driving member 61 with the form of key 521 and keyway (not shown); Make and strike off part 50 and can receive the external force transmission and rotate, and can be along its major axis to the displacement of doing repeatedly.A fixing vapour (oil) cylinder pressure 65 on support body 63, its axostylus axostyle 651 is contained in the axis hole 611, and pushes up mutually with the other end 52.When the axostylus axostyle 651 of vapour (oil) cylinder pressure 65 extends, can ejection strike off an end 51 past residue-removing opening 242 directions displacements of part 50 and block residue-removing opening 242, make valve 55 be closed.When the axostylus axostyle 651 of vapour (oil) cylinder pressure 65 shrinks, strike off the elastic force effect that part 50 receives spring 54, make one of which end 51 recess residue-removing opening 242, make valve 55 be opening.By the transmission of gear, strike off part 50 and can in clear hopper road 24, rotate, by the action of vapour (oil) cylinder pressure 65 and spring 54, striking off part 50 can be along its major axis to displacement repeatedly, and makes valve 55 closure or openness.As shown in Figure 3, drive unit 60 comprises a motor 66, is fixed on the support body 63; Drive a gear 67 driven gears 64 by axle and rotate, 64 of gears are established one and are protruded out support body 63 driving shaft 68 outward, and driving shaft 68 ends set firmly a connection piece 69; Establish the interlocking portion 691 (as shown in Figure 3) of a dovetail on the connector 69; 332 correspondences of interior pipe fitting 33 exposed junctions of filter member 30 are established a scarfing slot 333 (as shown in Figure 8), can rabbet quick location mutually, lock with bolt again.
Shown in figure 11; The plastics material of fusion is flowed into by charging conduit 22; The charging that after the filter screen 34 of filter member 30 filters, flows into guide member 40 leads the way 41; Leading the way through discharging 43 flow to discharging conduit 23 and flows out outside the housings 20, partly stream of plastic through expect clearly to lead the way 42 and oppositely pass filter member 30 (forming the back washing effect) outward by the inside of filter member 30 after flow to clearly in the hopper road 24.Valve 55 keeps shut when flat, will keep normal pressure in the whole housing 20, makes the facility running keep stable.Filter member 30 can be rotated continuously, or the rotation that fixes (stops a setting-up time behind promptly each rotation one set angle, rotates equal angular again; Circulation so repeatedly), or establishes the pressure detector (not shown), when the plastic pressure in the conduit rises at charging conduit 22; Represent that promptly filter screen has choking phenomenon, just rotate a set angle, for example the θ angle among Fig. 4 this moment automatically; Make charging conduit 22 be connected to one new (or cleaning) filter screen section, promptly upgrade filter screen automatically.Striking off part 50 can operate separately voluntarily, also can cooperate a filter member 30 runnings.Present embodiment is to cooperate running together.When the motor 66 of drive unit 60 rotated, drives filter member 30 rotation set angle θ angles, gear 64 interlock driving members 61 drove and strike off part 50 rotations, and operation is struck off on the surface of filter member 30.At the same time; Vapour (oil) cylinder pressure 65 is done expanding-contracting action fast; Make piston rod 651 roof pressure or recess and strike off part 50 fast, make and strike off part 50 and produce axial fast offset, cause the fast opening and closing of valve 55 simultaneously; The displacement repeatedly of striking off part 50 makes valve 55 form synchronous fast opening and closing, just in time makes the plastics in the hopper road 24 clearly discharge residue-removing opening 242 in an in check situation lower limit amount.When clear hopper road 24 pressure inside reduce; Plastics just can be led the way by clear material and 42 flow to hopper road 24 clearly; And carry out automatic back washing to the filter screen of the filter member 30 of 42 positions of leading the way in the face of clear material, and the impurity that is blocked on the filter screen 34 oppositely to be gone out outside the mesh, the spiral shell shape shaft that strikes off part 50 at the same time just can strike off these impurity; Strike off the action except what rotate and strike off part 50; Its perseveration vertically also produces the axial action of striking off, and so can filter screen scraped clean completely be reached the effect of thorough cleaning.Valve 55 of the present invention has the effect of automatic decompression valve concurrently, when housing 20 inner plastic pressures are higher than the active force of vapour (oil) cylinder pressure 65 and spring 54, valve 55 is opened and releasing pressure automatically.Valve 55 also is in the enable possition when shutting down again, is convenient to expect clearly.The present invention is provided with some electric heaters hole 25 on housing 20 and guide member 40, in order to ccontaining electric heater (not shown), to keep housing 20 and guide member 40 in the design temperature scope, make plastics remain on molten condition.
Shown in figure 12 again, filter member 30 is provided with groove 331 on pipe shaft, is not only locking filter screen 34 is installed for ease, and it has the effect of being convenient to expect clearly simultaneously concurrently.When the filter screen of charging conduit 22 positions blocks; Filter member 30 begins to rotate the θ angle, and a bigger impurity material possibly receive 20 stopping of wall of housing and can't rotate synchronously along with filter screen at this moment, is stopped that the impurity that gets off is (shown in imaginary line among the figure; Label A) accumulates in charging conduit 22 bottoms; When the groove 331 of filter member 30 moved to this position, these impurity promptly received back pressure and go in the groove 331 certainly automatically, and were brought to 24 positions, hopper road clearly along with groove 331 rotations; When instantaneous pressure in the clear hopper road 24 descends; These impurity just expand along with the plastics heat expansion and protrude outside the groove 331, and are struck off part 50 and strike off automatically, and groove 331 designs on the filter member 30 of the present invention have function cleverly in fact.In addition, when needs upgrade filter screen 34, only need to shut down; Drive unit 60 is moved backward, can whole filter member 30 be pulled out outside the housing 20, take off locking bolt 692; Because the design of dovetail scarfing slot 333 can be sling filter member 30, change another new filter member 30; Organizing back behind the housing 20 is renewable product, and whole replacing operation only need be shut down tens minutes, very fast convenience.
Shown in figure 13, be the filter 70 that second embodiment of the invention provides, include: a housing 71; One filter member 72, is struck off part 73, and a drive unit 74; The discrepancy of itself and first embodiment is: second embodiment does not have guide member, otherwise, be in the chamber of filter member 72, to establish a screw rod 75; Screw rod 75 is turned by drive unit 74, drives filter member 72 with a drive unit 76 in addition and rotates.Screw rod 75 forms backward rotation with filter member 72 in filter member 72, or differential rotates in the same way, and one have the effect of forcing discharging, moreover also have inside to scrape the function of filtering holes clearly.This kind type is suitable for coarse filtration to be used.
Shown in figure 14, be the filter 80 of third embodiment of the invention, include: a housing 81, one filter member 82, are struck off part 83, and a drive unit 84.The discrepancy of itself and first embodiment is: the 3rd embodiment does not have guide member.This kind of also is that coarse filtration is used.
Shown in figure 15, be the filter 90 that fourth embodiment of the invention provides, also include: a housing 91, one filter member 92, are struck off part 93, one guide members 94, and a drive unit 95.The discrepancy of itself and first embodiment is: in the discharging of guide member 94 is led the way, be provided with a screw rod 96, and drive through a drive unit 97.The effect of screw rod 96 is to force discharging, and the effect of keeping guide member 94 internal pressures is arranged.
What need add a supplementary explanation is; The screw rod of the second and the 4th embodiment can be to drive with a drive unit in addition; Or just drive to drive the drive unit that filter member rotates, the latter only need utilize transmission mechanism 98 such as gear that power is passed to screw rod and get final product, and is shown in figure 16; Be in the fourth embodiment of the invention, the structural representation that screw rod 96 is driven by drive unit 95.
Shown in figure 17; It is the sketch map that filter series connection of the present invention is used; Be that the filter 70 of second embodiment and the filter 10 of first embodiment are combined, plastics carefully filtered, in like manner earlier through coarse filtration again; Filter of the present invention also can three ones or four series connection use, decide according to user's demand.
Claims (39)
1. plastic filtering device is characterized in that comprising:
One housing has a chamber, and a charging conduit, a discharging conduit and a clear hopper road, respectively with chamber and extraneous the connection;
One filter member is contained in the said housing cavity, driven by external force and in said chamber, rotates, and has a room in the middle of the said filter member, and the surface is provided with most the perforation that are communicated with said room;
One guide member; Be fixed on the said housing and be contained in the room of said filter member; The charging conduit position of corresponding said housing is provided with a charging and leads the way, and the discharging conduit position of corresponding said housing is provided with a discharging and leads the way, and the position, clear hopper road of corresponding said housing is provided with a clear material and leads the way.
2. plastic filtering device as claimed in claim 1 is characterized in that: the clear hopper road at said housing is provided with a by-pass valve control, and is controlled and open or close hopper road clearly automatically.
3. plastic filtering device as claimed in claim 2 is characterized in that: be provided with one in the said clear hopper road and strike off part, be used to strike off the plastics on said filter member surface.
4. plastic filtering device as claimed in claim 3 is characterized in that: the said part that strikes off is driven by external force and forms with said filter member to relatively move.
5. plastic filtering device as claimed in claim 4 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, driven by external force and rotates.
6. plastic filtering device as claimed in claim 4 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, be contained in the said clear hopper road, but driven by external force and major axis to repeated moving.
7. plastic filtering device as claimed in claim 4 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, and driven by external force and rotate, and can be along major axis to repeated moving.
8. plastic filtering device as claimed in claim 3 is characterized in that: the clear hopper road of said housing has a residue-removing opening, and the said part that strikes off part can block said residue-removing opening, forms said by-pass valve control.
9. plastic filtering device as claimed in claim 4 is characterized in that: the said part that strikes off is screw shaped.
10. plastic filtering device as claimed in claim 1 is characterized in that: said filter member comprises pipe fitting in, and its pipe shaft is provided with most perforation; At least one filter screen, the pipe fitting outside in said is coated and fixed.
11. plastic filtering device as claimed in claim 10 is characterized in that: the pipe shaft of said filter member is provided with at least one groove.
12. plastic filtering device as claimed in claim 11 is characterized in that: the filter screen of said filter member presses locking in said groove, to locate with the press strip embedding.
13. plastic filtering device as claimed in claim 1 is characterized in that: said housing is provided with the heating member insulation.
14. plastic filtering device as claimed in claim 1; It is characterized in that: in the discharging of said guide member is led the way, be provided with one and driven and the screw rod that rotates by external force, the molten plastic in the said guide member is led the way by said discharging derives outside the said housing through said discharging runner.
15. a plastic filtering device is characterized in that comprising:
One housing has a chamber, and a charging conduit, a discharging conduit and a clear hopper road, respectively with said chamber and extraneous the connection;
One filter member is contained in the said housing cavity, driven by external force and in said chamber, rotates, and has a room in the middle of the said filter member, and the surface is provided with most perforation and is communicated with said room;
One screw rod is located in the room of said filter member, driven by external force and in said filter member, rotates, and will filter and flow into the molten plastic in the room in the middle of the said filter member through said filter member by said charging conduit, derives through said discharging conduit.
16. plastic filtering device as claimed in claim 15 is characterized in that: said clear hopper road is provided with a by-pass valve control, and is controlled and open or close said clear hopper road automatically.
17. plastic filtering device as claimed in claim 16 is characterized in that: be provided with one in the said clear hopper road and strike off part, be used to strike off the plastics on said filter member surface.
18. plastic filtering device as claimed in claim 17 is characterized in that: the said part that strikes off is driven by external force and forms with said filter member to relatively move.
19. plastic filtering device as claimed in claim 18 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in clearly in the hopper road, driven by external force and rotates.
20. plastic filtering device as claimed in claim 18 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in clearly in the hopper road, driven by external force and can be along major axis to repeated moving.
21. plastic filtering device as claimed in claim 18 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, driven by external force and rotate, and can be along major axis to repeated moving.
22. plastic filtering device as claimed in claim 17 is characterized in that: the clear hopper road of said housing has a residue-removing opening, and the said part that strikes off part can block said residue-removing opening, forms said by-pass valve control.
23. plastic filtering device as claimed in claim 18 is characterized in that: the said part that strikes off is screw shaped.
24. plastic filtering device as claimed in claim 15 is characterized in that: said filter member comprises pipe fitting in, and its pipe shaft is provided with most perforation; At least one filter screen, the pipe fitting outside in said is coated and fixed.
25. plastic filtering device as claimed in claim 24 is characterized in that: the pipe shaft of said filter member is provided with at least one groove.
26. plastic filtering device as claimed in claim 25 is characterized in that: the filter screen of said filter member is to press locking in said groove, to locate with the press strip embedding.
27. plastic filtering device as claimed in claim 15 is characterized in that: said housing is provided with the heating member insulation.
28. a plastic filtering device is characterized in that comprising:
One housing has a chamber, and a charging conduit, a discharging conduit and a clear hopper road, respectively with said chamber and extraneous the connection;
One filter member is contained in the said housing cavity, driven by external force and in said chamber, rotates, and has a room in the middle of the said filter member, and the surface is provided with most perforation and is communicated with said room;
One by-pass valve control is located at the clear hopper road of said housing, and is controlled and open or close said clear hopper road automatically.
29. plastic filtering device as claimed in claim 28 is characterized in that: be provided with one in the said clear hopper road and strike off part, be used to strike off the plastics on said filter member surface.
30. plastic filtering device as claimed in claim 29 is characterized in that: the said part that strikes off is relatively moved by external force driving and said filter member formation.
31. plastic filtering device as claimed in claim 30 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, driven by external force and rotates.
32. plastic filtering device as claimed in claim 30 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, driven by external force and can be along major axis to repeated moving.
33. plastic filtering device as claimed in claim 30 is characterized in that: the clear hopper road of said housing is microscler, and the said part that strikes off is microscler, is contained in the said clear hopper road, driven by external force and rotate, and can be along major axis to repeated moving.
34. plastic filtering device as claimed in claim 29 is characterized in that: the clear hopper road of said housing has a residue-removing opening, and the said part that strikes off part can block said residue-removing opening, forms said by-pass valve control.
35. plastic filtering device as claimed in claim 30 is characterized in that: the said part that strikes off is screw shaped.
36. plastic filtering device as claimed in claim 28 is characterized in that: said filter member comprises pipe fitting in, and its pipe shaft is provided with most perforation; At least one filter screen, the pipe fitting outside in said is coated and fixed.
37. plastic filtering device as claimed in claim 36 is characterized in that: the pipe shaft of said filter member is provided with at least one groove.
38. plastic filtering device as claimed in claim 37 is characterized in that: the filter screen of said filter member is to press locking in said groove, to locate with the press strip embedding.
39. plastic filtering device as claimed in claim 28 is characterized in that: said housing is provided with the heating member insulation.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100088774A CN101797793B (en) | 2009-02-11 | 2009-02-11 | Plastic filtering device |
| US12/540,460 US20100200479A1 (en) | 2009-02-11 | 2009-08-13 | Molten plastic material filtration apparatus |
| DE102009049355A DE102009049355A1 (en) | 2009-02-11 | 2009-10-14 | Filtration device for molten plastic material |
| JP2009245497A JP4965629B2 (en) | 2009-02-11 | 2009-10-26 | Filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100088774A CN101797793B (en) | 2009-02-11 | 2009-02-11 | Plastic filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101797793A CN101797793A (en) | 2010-08-11 |
| CN101797793B true CN101797793B (en) | 2012-12-26 |
Family
ID=42338863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100088774A Expired - Fee Related CN101797793B (en) | 2009-02-11 | 2009-02-11 | Plastic filtering device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20100200479A1 (en) |
| JP (1) | JP4965629B2 (en) |
| CN (1) | CN101797793B (en) |
| DE (1) | DE102009049355A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010055167A1 (en) * | 2010-12-18 | 2012-06-21 | Ettlinger Kunststoffmaschinen Gmbh | Device for continuous filtering of material mixtures |
| TW201427757A (en) | 2013-01-09 | 2014-07-16 | Royal Steel Plastic Technology Ind Co Ltd | Plastic material filtering device |
| TW201429539A (en) * | 2013-01-16 | 2014-08-01 | Royal Steel Plastic Technology Ind Co Ltd | Filtering element with cassette type filter screen |
| CN103144277A (en) * | 2013-03-19 | 2013-06-12 | 上海帮容环保科技有限公司 | Ongoing residue filter mingled with plastic hot-melt extrusion |
| US10265649B2 (en) | 2013-06-18 | 2019-04-23 | Ettlinger Kunststoffmaschinen Gmbh | Discharge device and discharge method |
| CN105522711B (en) * | 2016-01-20 | 2017-11-10 | 施晓荷 | Continuous net-changing device and net exchanging device and extruder |
| EP3308940A1 (en) * | 2016-10-17 | 2018-04-18 | Next Generation Analytics GmbH | Filtering system for viscose or highly viscose liquids, in particular molten plastic and method for filtering viscose or highly-viscose liquids |
| CN108103591B (en) * | 2018-02-07 | 2023-06-20 | 苏州金泉新材料股份有限公司 | Spinning melt filtering device |
| FR3080796B1 (en) * | 2018-05-03 | 2020-04-17 | Addup | ADDITIVE MANUFACTURING MACHINE COMPRISING A POWDER DISPENSING DEVICE BY SCREW DOSER ON A MOBILE SURFACE |
| US11260570B2 (en) * | 2018-05-07 | 2022-03-01 | PSI-Polymer Systems, Inc. | Filtration apparatuses and screen changer devices for polymer processing and related methods |
| CN111099549B (en) * | 2020-01-21 | 2024-06-11 | 扬州大学 | Special waste liquid suction rod with self-cleaning function |
| CN111497174B (en) * | 2020-04-19 | 2022-01-11 | 广西膜宝包科技发展有限公司 | Working method of plastic blow molding automatic net changing structure and butt joint device thereof |
| CN112604364B (en) * | 2020-12-12 | 2022-05-06 | 山东舜业压力容器有限公司 | Composite dirt remover |
| CN115382280B (en) * | 2022-08-11 | 2023-10-27 | 长春工程学院 | Diatomite filtering and purifying device |
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| US4332541A (en) * | 1979-11-27 | 1982-06-01 | Hermann Berstorff Maschinenbau Gmbh | Filtering arrangement for thermoplastics materials |
| CN2235368Y (en) * | 1995-06-09 | 1996-09-18 | 烟台塑料一厂 | Cylinder type filter screen and device for changing filter screen |
| CN2424914Y (en) * | 2000-05-24 | 2001-03-28 | 大连华中塑料模具有限公司 | Plastic blow-moulding filtering device |
| CN100372670C (en) * | 2002-06-29 | 2008-03-05 | 埃特林格塑料机械有限公司 | Device for continuous filtration of material blends |
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| US3455357A (en) * | 1967-02-03 | 1969-07-15 | Beringer Co Inc C J | Screen changer apparatus for extrusion machines |
| US3962091A (en) * | 1973-01-04 | 1976-06-08 | Dorr-Oliver Incorporated | Rotary drum filter with wire deck, apparatus and method |
| NL192607C (en) * | 1983-11-03 | 1997-11-04 | Berstorff Gmbh Masch Hermann | Screening device. |
| JP3604484B2 (en) * | 1995-12-16 | 2004-12-22 | 四郎 土谷 | Fluid screen changer |
| DE20319752U1 (en) * | 2003-12-20 | 2005-05-12 | Ettlinger Kunststoffmaschinen Gmbh | Device for continuous filtering of material mixtures |
| JP4641042B2 (en) * | 2007-10-09 | 2011-03-02 | 塚田 徳郎 | Melt filter |
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2009
- 2009-02-11 CN CN2009100088774A patent/CN101797793B/en not_active Expired - Fee Related
- 2009-08-13 US US12/540,460 patent/US20100200479A1/en not_active Abandoned
- 2009-10-14 DE DE102009049355A patent/DE102009049355A1/en not_active Ceased
- 2009-10-26 JP JP2009245497A patent/JP4965629B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332541A (en) * | 1979-11-27 | 1982-06-01 | Hermann Berstorff Maschinenbau Gmbh | Filtering arrangement for thermoplastics materials |
| CN2235368Y (en) * | 1995-06-09 | 1996-09-18 | 烟台塑料一厂 | Cylinder type filter screen and device for changing filter screen |
| CN2424914Y (en) * | 2000-05-24 | 2001-03-28 | 大连华中塑料模具有限公司 | Plastic blow-moulding filtering device |
| CN100372670C (en) * | 2002-06-29 | 2008-03-05 | 埃特林格塑料机械有限公司 | Device for continuous filtration of material blends |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010184231A (en) | 2010-08-26 |
| US20100200479A1 (en) | 2010-08-12 |
| CN101797793A (en) | 2010-08-11 |
| DE102009049355A1 (en) | 2010-08-19 |
| JP4965629B2 (en) | 2012-07-04 |
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| C14 | Grant of patent or utility model | ||
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